EP1050169A1 - Extraction d'une information d'avant-plan pour codage video stereoscopique - Google Patents

Extraction d'une information d'avant-plan pour codage video stereoscopique

Info

Publication number
EP1050169A1
EP1050169A1 EP99972820A EP99972820A EP1050169A1 EP 1050169 A1 EP1050169 A1 EP 1050169A1 EP 99972820 A EP99972820 A EP 99972820A EP 99972820 A EP99972820 A EP 99972820A EP 1050169 A1 EP1050169 A1 EP 1050169A1
Authority
EP
European Patent Office
Prior art keywords
foreground
images
information
stereo pair
pixel information
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP99972820A
Other languages
German (de)
English (en)
Inventor
Kiran Challapali
Richard Y. Chen
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Koninklijke Philips NV
Original Assignee
Koninklijke Philips Electronics NV
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Koninklijke Philips Electronics NV filed Critical Koninklijke Philips Electronics NV
Publication of EP1050169A1 publication Critical patent/EP1050169A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N13/00—Stereoscopic video systems; Multi-view video systems; Details thereof
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding
    • H04N19/17—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T7/00—Image analysis
    • G06T7/10—Segmentation; Edge detection
    • G06T7/11—Region-based segmentation
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T7/00—Image analysis
    • G06T7/10—Segmentation; Edge detection
    • G06T7/174—Segmentation; Edge detection involving the use of two or more images
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T7/00—Image analysis
    • G06T7/10—Segmentation; Edge detection
    • G06T7/194—Segmentation; Edge detection involving foreground-background segmentation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N13/00—Stereoscopic video systems; Multi-view video systems; Details thereof
    • H04N13/10—Processing, recording or transmission of stereoscopic or multi-view image signals
    • H04N13/194—Transmission of image signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/597—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding specially adapted for multi-view video sequence encoding
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2207/00—Indexing scheme for image analysis or image enhancement
    • G06T2207/10—Image acquisition modality
    • G06T2207/10004—Still image; Photographic image
    • G06T2207/10012—Stereo images
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N13/00—Stereoscopic video systems; Multi-view video systems; Details thereof
    • H04N13/10—Processing, recording or transmission of stereoscopic or multi-view image signals
    • H04N13/189—Recording image signals; Reproducing recorded image signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N13/00—Stereoscopic video systems; Multi-view video systems; Details thereof
    • H04N13/20—Image signal generators
    • H04N13/204—Image signal generators using stereoscopic image cameras
    • H04N13/239—Image signal generators using stereoscopic image cameras using two 2D image sensors having a relative position equal to or related to the interocular distance
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N13/00—Stereoscopic video systems; Multi-view video systems; Details thereof
    • H04N13/20—Image signal generators
    • H04N13/286—Image signal generators having separate monoscopic and stereoscopic modes
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N13/00—Stereoscopic video systems; Multi-view video systems; Details thereof
    • H04N2013/0074—Stereoscopic image analysis
    • H04N2013/0081—Depth or disparity estimation from stereoscopic image signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N13/00—Stereoscopic video systems; Multi-view video systems; Details thereof
    • H04N2013/0074—Stereoscopic image analysis
    • H04N2013/0092—Image segmentation from stereoscopic image signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N13/00—Stereoscopic video systems; Multi-view video systems; Details thereof
    • H04N2013/0074—Stereoscopic image analysis
    • H04N2013/0096—Synchronisation or controlling aspects

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Testing, Inspecting, Measuring Of Stereoscopic Televisions And Televisions (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)

Abstract

Ce dispositif de traitement d'images améliore la transmission de données d'image sur un réseau à bande passante étroite par extraction d'une information d'avant-plan et codage de celle-ci à un débit binaire supérieur à celui d'une information d'arrière-plan.
EP99972820A 1998-11-20 1999-10-27 Extraction d'une information d'avant-plan pour codage video stereoscopique Withdrawn EP1050169A1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US09/196,574 US20020051491A1 (en) 1998-11-20 1998-11-20 Extraction of foreground information for video conference
US196574 1998-11-20
PCT/EP1999/008243 WO2000031981A1 (fr) 1998-11-20 1999-10-27 Extraction d'une information d'avant-plan pour codage video stereoscopique

Publications (1)

Publication Number Publication Date
EP1050169A1 true EP1050169A1 (fr) 2000-11-08

Family

ID=22725937

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99972820A Withdrawn EP1050169A1 (fr) 1998-11-20 1999-10-27 Extraction d'une information d'avant-plan pour codage video stereoscopique

Country Status (5)

Country Link
US (1) US20020051491A1 (fr)
EP (1) EP1050169A1 (fr)
JP (1) JP2002531020A (fr)
KR (1) KR100669837B1 (fr)
WO (1) WO2000031981A1 (fr)

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JP4670303B2 (ja) * 2004-10-06 2011-04-13 ソニー株式会社 画像処理方法及び画像処理装置
JP4251650B2 (ja) * 2005-03-28 2009-04-08 株式会社カシオ日立モバイルコミュニケーションズ 画像処理装置及びプログラム
WO2008008505A2 (fr) * 2006-07-14 2008-01-17 Objectvideo, Inc. Analytique de vidéo de surveillance d'un commerce de détail
US20090316777A1 (en) * 2008-06-20 2009-12-24 Xin Feng Method and Apparatus for Improved Broadcast Bandwidth Efficiency During Transmission of a Static Code Page of an Advertisement
CN102450010A (zh) 2009-04-20 2012-05-09 杜比实验室特许公司 定向内插和数据后处理
US9628722B2 (en) 2010-03-30 2017-04-18 Personify, Inc. Systems and methods for embedding a foreground video into a background feed based on a control input
US8649592B2 (en) 2010-08-30 2014-02-11 University Of Illinois At Urbana-Champaign System for background subtraction with 3D camera
US9171075B2 (en) 2010-12-30 2015-10-27 Pelco, Inc. Searching recorded video
US9049447B2 (en) * 2010-12-30 2015-06-02 Pelco, Inc. Video coding
US9681125B2 (en) * 2011-12-29 2017-06-13 Pelco, Inc Method and system for video coding with noise filtering
CN104427291B (zh) * 2013-08-19 2018-09-28 华为技术有限公司 一种图像处理方法及设备
US9485433B2 (en) 2013-12-31 2016-11-01 Personify, Inc. Systems and methods for iterative adjustment of video-capture settings based on identified persona
US9414016B2 (en) 2013-12-31 2016-08-09 Personify, Inc. System and methods for persona identification using combined probability maps
US9563962B2 (en) 2015-05-19 2017-02-07 Personify, Inc. Methods and systems for assigning pixels distance-cost values using a flood fill technique
US9916668B2 (en) 2015-05-19 2018-03-13 Personify, Inc. Methods and systems for identifying background in video data using geometric primitives
US9607397B2 (en) 2015-09-01 2017-03-28 Personify, Inc. Methods and systems for generating a user-hair-color model
US9883155B2 (en) 2016-06-14 2018-01-30 Personify, Inc. Methods and systems for combining foreground video and background video using chromatic matching
CN107662872B (zh) * 2016-07-29 2021-03-12 奥的斯电梯公司 乘客运输机的监测系统及其监测方法
US9881207B1 (en) 2016-10-25 2018-01-30 Personify, Inc. Methods and systems for real-time user extraction using deep learning networks
KR20190004010A (ko) * 2017-07-03 2019-01-11 삼성에스디에스 주식회사 전경 추출 방법 및 장치
GB201717011D0 (en) * 2017-10-17 2017-11-29 Nokia Technologies Oy An apparatus a method and a computer program for volumetric video
JP6513169B1 (ja) * 2017-12-14 2019-05-15 キヤノン株式会社 仮想視点画像を生成するシステム、方法及びプログラム
ES2881320T3 (es) * 2017-12-14 2021-11-29 Canon Kk Dispositivo de generación, procedimiento de generación y programa para modelo tridimensional
CN110502954B (zh) * 2018-05-17 2023-06-16 杭州海康威视数字技术股份有限公司 视频分析的方法和装置
GB2595679A (en) * 2020-06-02 2021-12-08 Athlone Institute Of Tech Video storage system
US11800056B2 (en) 2021-02-11 2023-10-24 Logitech Europe S.A. Smart webcam system
US11800048B2 (en) 2021-02-24 2023-10-24 Logitech Europe S.A. Image generating system with background replacement or modification capabilities
US11831696B2 (en) 2022-02-02 2023-11-28 Microsoft Technology Licensing, Llc Optimizing richness in a remote meeting

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JP3258840B2 (ja) * 1994-12-27 2002-02-18 シャープ株式会社 動画像符号化装置および領域抽出装置
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See references of WO0031981A1 *

Also Published As

Publication number Publication date
KR20010034256A (ko) 2001-04-25
WO2000031981A1 (fr) 2000-06-02
KR100669837B1 (ko) 2007-01-18
JP2002531020A (ja) 2002-09-17
US20020051491A1 (en) 2002-05-02

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